Current collector assembly for railway cranes,申请号US19550500714-传众专利搜索

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发明名称	Current collector assembly for railway cranes
摘要
申请公布号	US2838621(A)	申请公布日期	1958.06.10
申请号	US19550500714	申请日期	1955.04.11
申请人	ROBB VINCENT P;SACHER JOHN R	发明人	ROBB VINCENT P.;SACHER JOHN R.
分类号	B60L5/40	主分类号	B60L5/40
代理机构		代理人
主权项
地址

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